Holmes Hobbies TorqueMaster Expert 550 Brushed Electric Motor (21T)

Holmes Hobbies TorqueMaster Expert 550 Brushed Electric Motor (21T)
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The Holmes Hobbies TorqueMaster Expert 550 Brushed Motor features the same quality construction as the hand wound Pro series motors, but with a machine wound armature for an affordable alternative.
  • 550 size provides extra torque and power
  • Machine wound for affordability
  • 5mm web 3 slot armature- Maximizes torque, efficiency, and offers smooth startup
  • Gold-plated copper brush hoods to resist corrosion and provide lowest resistance
  • Aluminum heatsinks shed heat
  • Filter PCB reduces EMF noise
  • Brush damper reduces noise and arcing
  • Can – 1.4mm thick uninterrupted back iron
  • High-power FB12 ceramic wet magnets maximize torque and efficiency
  • Dual Japanese Ball bearings
  • Adjustable timing
  • Holmes XX springs for consistent drag brake
  • Holmes Soft Copper brushes for high torque and longest motor life
  • Broken in for immediate installation and use
Armature: 21 turn three slot
RPM: 27,250 RPM @12v @ 12 degrees timing
Weight: 206 grams
Diameter: 36mm OD x 60mm length (not including shaft)
Shaft: 1/8" diameter D shaft
Mounting Pattern: 1" (25.4mm) M3 screws
Input Voltage: 6-9 cell nimh, 2-3s Lithium
Rotor: 23mm OD x 29mm length 

This product was added to our catalog on November 17, 2017